Ramgarh district is one of the 24 districts in the Indian state of Jharkhand. It was also a military district during the British Regime, referred to then as Ramghur district.

Ramgarh was made a district on 12 September 2007. It was carved out of erstwhile Hazaribagh District. Ramgarh lies at the heart of the Jharkhand State. It is a mining, industrial and cultural hub with the famous Maa Chhinnamasta Temple. The name Ramgarh means “The Fort of God Ram”. The district of Ramgarh has been named after the town Ramgarh, its present headquarters.

The district holds a strong position on the mineral map of the country. The district is endowed with a large and rich deposit of coal & coal bed methane (CBM) and also possesses various other minerals like Limestone, Fire Clay, etc.

The coalfields of the Ramgarh district lying in the Damodar Valley. The important geological formations of the district is Gondwana System and the rocks of the Damuda Group of Lower Gondwana age comprises the most important coal seams. The coal deposit of the district mainly found in South Karanpura, West Bokaro and Ramgarh coalfields.

According to the 2011 census Ramgarh district has a population of 949,159, roughly equal to the nation of Fiji or the US state of Delaware.This gives it a ranking of 459th in India (out of a total of 640).The district has a population density of 684 inhabitants per square kilometre (1,770/sq mi).Its population growth rate over the decade 2001-2011 was 13.06%. Ramgarh has a sex ratio of 921 females for every 1000 males, and a literacy rate of 73.92%.